Update Yocto build shell script for download packet path

guowenxue

2023-11-07 f270b35145097e9ca4ef0bb1adce741e601d2e76

 config.json

@@ -1,7 +1,7 @@
{
    "bsp":
    {
        "board":"IGKBoard-6ULL",
        "board":"igkboard-6ull",
        "version":"lf-5.15.71-2.2.0",
        "download":"http://main.iot-yun.club:2211/imx/",
        "crosstool":"/opt/gcc-aarch32-10.3-2021.07/bin/arm-none-linux-gnueabihf-"